Pentecost is a Christian festival. It is 50 days after Easter Sunday. This year it was on Sunday 31st May 2020. Christians believe this is when the Holy Spirit entered the disciples and that it was the start of the Christian Church so they celebrate it as the birthday of the Church.
There is more information on Torrisholme TV in Mrs Dowker's fun and learning zone. Find it on https://torrisholme-community-primary-school.primarysite.media/media/christian-celebration-of-pentecost
After listening and learning about what Christians believe you could make a kite or a mobile. Here are some ideas.